What is CVE-2019-12421?

CVE-2019-12421 is a high-severity vulnerability in Apache Nifi, classified under Insufficient Session Expiration. CVSS score: 8.8/10. Published 2019-11-19.

How severe is CVE-2019-12421?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Apache Nifi

CVE-2019-12421

When using an authentication mechanism other than PKI, when the user clicks Log Out in NiFi versions 1.0.0 to 1.9.2, NiFi invalidates the authentication token on the client side but not on the server side. This permits the user's client-si…

EPSS: 0.018 (76.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apache Nifi
N/a Apache Nifi — versions Apache NiFi 1.0.0 to 1.10.0

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

security@apache.org (x_refsource_CONFIRM, Vendor Advisory)
security@apache.org (mailing-list, x_refsource_MLIST)

Frequently asked questions

What is CVE-2019-12421?: CVE-2019-12421 is a high-severity vulnerability in Apache Nifi, classified under Insufficient Session Expiration. CVSS score: 8.8/10. Published 2019-11-19.
How severe is CVE-2019-12421?: High severity. CVSS v3 base score is 8.8 out of 10.